Examlex
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Directional Alternative Hypothesis
A hypothesis that specifies the direction of the expected difference or relationship between variables (e.g., greater than, less than).
Non-directional Alternative Hypothesis
A hypothesis that specifies there is a statistical difference without stating the direction of the difference.
Non-directional Null Hypothesis
A type of null hypothesis that specifies there will be no change or difference without stating a direction of change.
Standard Error
A statistical measure that quantifies the amount of variability in a sample mean compared to the population mean, used to gauge the precision of the sample mean.
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